Practice: Exponential Functions

Practice: Exponential Functions

9th Grade

12 Qs

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Practice: Exponential Functions

Practice: Exponential Functions

Assessment

Quiz

Mathematics

9th Grade

Medium

CCSS
HSF.LE.A.2, HSA.SSE.A.1, HSF.BF.A.1

+2

Standards-aligned

Created by

Lauren Gibson

Used 4+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A new savings account is opened with $400 and gains 3% every year. How much money will be in the account after 10 years?

y =400(4)10

y =400(0.97)10

y =400(1.03)10

y =400(0.03)10

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a, the starting term, for the function: 6500 = 300(1.16)x?

300

1.16

x

6500

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The following function represents a bank account.

g(x) = 200(1.25)5

What was the initial dollar amount put in the bank?

$200

$1.25

$0.25

$5.00

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ty's house is worth $100,000 right now. It will lose value at a rate of 2% every 2 years. How much will the house be worth in 10 years?

Which function models this situation?

y = 100,000(2)10

y = 100,000(1.02)2

y = 100,000(0.98)5

y=100,000(0.98)10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following function represents a bank account.

g(x) = 200(1.25)x

What is the rate the bank is paying?

*Remember the rate is added or subtracted to 1 inside parenthesis*

200%

125%

25%

2%

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an equation that models the following situation:

Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week. How much hair will she have after 6 weeks?

y=6(0.14)6

y=6(114)6

y=6(1.14)6

y=6(0.86)6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following function represents a bank account.

g(x) = 200(1.25)x

What was the initial dollar amount put in the bank?

$200

$1.25

$0.25

$2.00

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